var pkg = require('./package.json')
var path = require('path')
var webpack = require('webpack')
var HtmlWebpackPlugin = require('html-webpack-plugin');
var ExtractTextPlugin = require('extract-text-webpack-plugin');

module.exports = {
    entry:{
        app: path.resolve(__dirname, 'app/index.js'),
        // 将 第三方依赖（node_modules中的） 单独打包
        vendor: Object.keys(pkg.dependencies)
    },
    output: {
        path: __dirname + "/build",
        filename: "js/[name].[chunkhash:8].js"
    },
    resolve:{
        extensions:['.js','.jsx']
    },
    module: {
        loaders: [
            { test: /\.(js|jsx)$/, exclude: /node_modules/, loader: 'babel-loader' },
            {
                test: /\.css$/,
                exclude: /node_modules/,
                loader: 'style-loader!css-loader?modules'
            },
            {
                test: /\.css$/,
                include: /node_modules/,
                loader: 'style-loader!css-loader'
            },
            {
                test: /\.less$/, 
                exclude: /node_modules/, 
                loader: ExtractTextPlugin.extract({
                  fallback:'style-loader', 
                  use:'css-loader!less-loader'
                })
            },
            { 
                test:/\.(png|gif|jpg|jpeg|bmp|woff|woff2|svg|ttf|eot)$/i,
                loader:'url-loader',
                query: {
                    limit: 5000,
                    name: 'img/[name]-[hash:5].[ext]'
                }// 限制大小5kb
            },
            {
                test:/\.(woff|woff2|svg|ttf|eot)$/i,
                loader:'url-loader',
                query: {
                    limit: 5000,
                    name: 'fonts/[name]-[hash:5].[ext]'
                }// 限制大小5kb
            }  
            
        ]
    },
    plugins: [
        // webpack 内置的 banner-plugin
        new webpack.BannerPlugin("Copyright by Q-Angelo@github.com."),

        // html 模板插件
        new HtmlWebpackPlugin({
            template: __dirname + '/app/index.tpl.html'
        }),

        // 定义为生产环境，编译 React 时压缩到最小
        new webpack.DefinePlugin({
          'process.env':{
            'NODE_ENV': JSON.stringify(process.env.NODE_ENV)
          }
        }),
        // 为组件分配ID，通过这个插件webpack可以分析和优先考虑使用最多的模块，并为它们分配最小的ID
        new webpack.optimize.OccurrenceOrderPlugin(),
        
        new webpack.optimize.UglifyJsPlugin({
            compress: {
              //supresses warnings, usually from module minification
              warnings: false
            }
        }),
        
        // 分离CSS和JS文件
        new ExtractTextPlugin('/css/[name].[chunkhash:8].css'), 
        
        // 提供公共代码
        new webpack.optimize.CommonsChunkPlugin({
          name: 'vendor',
          filename: '/js/[name].[chunkhash:8].js'
        }),

        // 可在业务 js 代码中使用 __DEV__ 判断是否是dev模式（dev模式下可以提示错误、测试报告等, production模式不提示）
        new webpack.DefinePlugin({
          __DEV__: JSON.stringify(JSON.parse((process.env.NODE_ENV == 'dev') || 'false'))
        })
    ]
}
